Mercurial > hg > graal-compiler
view src/share/vm/runtime/threadLocalStorage.cpp @ 616:4f360ec815ba
6720309: G1: don't synchronously update RSet during evacuation pauses
6720334: G1: don't update RSets of collection set regions during an evacuation pause
Summary: Introduced a deferred update mechanism for delaying the rset updates during the collection pause
Reviewed-by: apetrusenko, tonyp
author | iveresov |
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date | Fri, 06 Mar 2009 13:50:14 -0800 |
parents | 9ee9cf798b59 |
children | c18cbe5936b8 |
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/* * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" # include "incls/_threadLocalStorage.cpp.incl" // static member initialization int ThreadLocalStorage::_thread_index = -1; Thread* ThreadLocalStorage::get_thread_slow() { return (Thread*) os::thread_local_storage_at(ThreadLocalStorage::thread_index()); } void ThreadLocalStorage::set_thread(Thread* thread) { pd_set_thread(thread); // The following ensure that any optimization tricks we have tried // did not backfire on us: guarantee(get_thread() == thread, "must be the same thread, quickly"); guarantee(get_thread_slow() == thread, "must be the same thread, slowly"); } void ThreadLocalStorage::init() { assert(!is_initialized(), "More than one attempt to initialize threadLocalStorage"); pd_init(); set_thread_index(os::allocate_thread_local_storage()); generate_code_for_get_thread(); } bool ThreadLocalStorage::is_initialized() { return (thread_index() != -1); }